Bosch 72181 Oil Filter Reinforced housing and steel base plate components protect against warpage and leaks Bosch's exclusive FILTECH filters are made of natural and synthetic micro fibers to protect your engine against viscosity Innovative high lubricity gasket design provides a tighter seal, yet efficient enough for easy removal Clean oil is generated with every engine start up through Bosch's exclusive silicone anti-drain back valves 42% larger filtering area and 30% thicker filter media outperforms most conventional filters